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| author | Josh Poimboeuf <jpoimboe@kernel.org> | 2023-04-12 13:26:15 -0700 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2023-04-14 16:08:30 +0200 |
| commit | 5743654f5e2ebd56df99f56fca5ba4b23fe3c815 (patch) | |
| tree | ecebac1bcca601698a3504bb04fe39985b335ca7 /init | |
| parent | 4a2c3448ed3d362431c249ec0eb0f90281804ea8 (diff) | |
objtool: Generate ORC data for __pfx code
Allow unwinding from prefix code by copying the CFI from the starting
instruction of the corresponding function. Even when the NOPs are
replaced, they're still stack-invariant instructions so the same ORC
entry can be reused everywhere.
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/bc3344e51f3e87102f1301a0be0f72a7689ea4a4.1681331135.git.jpoimboe@kernel.org
Diffstat (limited to 'init')
0 files changed, 0 insertions, 0 deletions